1204533020 has 12 divisors (see below), whose sum is σ = 2529519384. Its totient is φ = 481813200.

The previous prime is 1204533019. The next prime is 1204533037. The reversal of 1204533020 is 203354021.

It is a happy number.

It is a super-3 number, since 3×1204533020³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 60226651 = 1204533020 / (1 + 2 + 0 + 4 + 5 + 3 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1204532983 and 1204533001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30113306 + ... + 30113345.

It is an arithmetic number, because the mean of its divisors is an integer number (210793282).

Almost surely, 2^1204533020 is an apocalyptic number.

1204533020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204533020 is an abundant number, since it is smaller than the sum of its proper divisors (1324986364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1204533020 is a wasteful number, since it uses less digits than its factorization.

1204533020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60226660 (or 60226658 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1204533020 is about 34706.3829864191. The cubic root of 1204533020 is about 1063.9949580009.

Adding to 1204533020 its reverse (203354021), we get a palindrome (1407887041).

The spelling of 1204533020 in words is "one billion, two hundred four million, five hundred thirty-three thousand, twenty".